Changsha Flying Bird Biotech.co., LTD is located in Changsha National Biological Industry base (the only one National Biological Industry base in the central and west region of China). We enjoy good location for we are close to national highway 319 and Changsha Huanghua Airport. Dingsheng is a hi-tech enterprise specialized in the research, development, manufacturing and trade of APIs, chemical materials, pharmaceutical intermediates, materials of health care products, food additives, cosmetic materials and materials of veterinary medicine; we are mainly specialized in the standardization of plant extracts and the separation of active ingredients of Chinese herb medicines. Now, our products are widely being used in biological industry, pharmaceutical industry, chemical industry, agriculture and beauty industry, etc.